Unit 5 Developing ideas 阅读课件-2022-2023学年高中英语外研版（2019）选择性必修第一册

Developing ideas Unit 5 Lead-in What about plants on the earth? ( ) attack ( ) move ( ) breathe ( ) speak ( ) eat ( ) steal ( ) sleep ( ) think Look at the pictures and talk about what plants on the earth can do. Plants do behave. Can plants talk to each other? The Secret Language of Plants 4 The Secret Language of Plants Plants can ____________in ways humans _______(can/can’t) notice. communicate can’t Maybe humans will be able to “_______” with plants one day. talk Para 1~2 Para 3 Para 4 Para 5 Para 6 Fast reading Chemicals Sound WWW 5 chemicals a bean plant insects another bean plant different chemicals wasp attack release release detect drive away attrack kill Careful reading Para. 3 6 Which of the following is not the thing plants use sound to do? Listen whether their neighbors are helpful or not B. Indicate the arrival of drought C. Identify the unfriendly plants D. Help each other get water Careful reading Read Para. 4 and answer the following answer. More surprisingly, plants also use sound to communicate. People can’t hear these sounds, but plants are making them. Some plants make noises with their roots. Corn and chilli plants do this. They also “listen” to the noise from other plants. A chilli plant can tell if a neighboring plant is helpful, or unfriendly. Some trees make clicking noises when there is not enough water, indicating drought is arriving. 7 Para. 5 Full name _________________ ____________________ System for ______________among humans ______________ among plants Link every person on Earth every _______ in a forest Linked by ___________ and ___________ underground _______which links the _______ of different plants to each other Use it to share _____________ and _______with each other Cybercrime cheat someone out of his______ spread computer virus to attack others’ __________ steal ______ from each other spread _________ to ______ other plants communication com